4.6 Article

Activity and durability of the oxygen reduction reaction in a nitrogen-doped rutile-shell on TiN-core nanocatalysts synthesised via solution-phase combustion

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 7, Pages 2501-2508

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta08235h

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Funding

  1. Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan [26420132]
  2. Adaptable and Seamless Technology Transfer Program through Target-driven R&D grant from the Japan Science and Technology Agency [AS262Z02037]
  3. Takahashi Industrial and Economic Research Foundation of Japan
  4. Naoji Iwatani Foundation of Japan
  5. Grants-in-Aid for Scientific Research [26420132] Funding Source: KAKEN

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Core-shell-structured titanium oxynitride nanocatalysts were synthesised on carbon black via an inexpensive solution-phase combustion route. The synthesis conditions were systematically optimised to exhibit the highest oxygen reduction reaction (ORR) activity at 0.9 V versus the reversible hydrogen electrode in 0.1 mol dm(-3) H2SO4. The nitrogen-doped rutile TiO2 shell successfully protected the TiN core without altering the ORR mechanism after 20 000 potential cycles between 0.6 and 1.0 V.

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